package com.yiruantong.system.controller.monitor;

import cn.dev33.satoken.annotation.SaCheckPermission;
import com.yiruantong.system.domain.core.vo.CacheListInfoVo;
import com.yiruantong.common.core.domain.R;
import com.yiruantong.common.core.utils.StringUtils;
import lombok.RequiredArgsConstructor;
import org.redisson.spring.data.connection.RedissonConnectionFactory;
import org.springframework.data.redis.connection.RedisConnection;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.*;

/**
 * 缓存监控
 *
 * @author YiRuanTong
 */
@RequiredArgsConstructor
@RestController
@RequestMapping("/monitor/cache")
public class CacheController {

  private final RedissonConnectionFactory connectionFactory;

  /**
   * 获取缓存监控列表
   */
  @SaCheckPermission("monitor:cache:list")
  @GetMapping()
  public R<CacheListInfoVo> getInfo() throws Exception {
    RedisConnection connection = connectionFactory.getConnection();
    Properties commandStats = connection.commands().info("commandstats");

    List<Map<String, String>> pieList = new ArrayList<>();
    if (commandStats != null) {
      commandStats.stringPropertyNames().forEach(key -> {
        Map<String, String> data = new HashMap<>(2);
        String property = commandStats.getProperty(key);
        data.put("name", StringUtils.removeStart(key, "cmdstat_"));
        data.put("value", StringUtils.substringBetween(property, "calls=", ",usec"));
        pieList.add(data);
      });
    }

    CacheListInfoVo infoVo = new CacheListInfoVo();
    infoVo.setInfo(connection.commands().info());
    infoVo.setDbSize(connection.commands().dbSize());
    infoVo.setCommandStats(pieList);
    return R.ok(infoVo);
  }

}
